Original 1939 electrical trade vintage catalog for STRUTHERS DUNN, INC.  Main office and plant were located at 147 North Juniper Street, Philadelphia, PA.

Manufacturers of Electrical Control Devices.

Products include Relays, Times, Electric Counters, Thermostats and Fish Spine Bead Insulation, all are fully featured.

Has product images, description, applications, price and specifications to provide product details.

Unbound from a large rare 1939 Process Industries Catalog, this unique old one-page technical brochure would display beautifully matted and framed. Nice graphics. A fabulous addition to your retro electrical equipment library.